CN107512041A - A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film - Google Patents
A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film Download PDFInfo
- Publication number
- CN107512041A CN107512041A CN201710582990.8A CN201710582990A CN107512041A CN 107512041 A CN107512041 A CN 107512041A CN 201710582990 A CN201710582990 A CN 201710582990A CN 107512041 A CN107512041 A CN 107512041A
- Authority
- CN
- China
- Prior art keywords
- graphene
- copper foil
- carbon nano
- tube
- heat conduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
Abstract
The present invention relates to a kind of copper foil graphene/carbon nano-tube or the preparation method of copper foil graphene/carbon nano-tube copper foil heat conduction film, step to be：(1) a. is by the mixed solution comprising graphene oxide (GO) and CNT carries out hydrothermal reduction reaction, ball milling obtains graphene/carbon nano-tube slurry；Or after b. will peel off comprising the method for graphite and the solution mechanical stripping of dispersant, mixed with CNT, obtain graphene/carbon nano-tube slurry；(2) graphene/carbon nano-tube slurry is obtained into copper foil graphene/carbon nano-tube double-decker coated on copper foil；Optionally, the compound another copper foil on the graphene/carbon nano-tube layer of the double-decker, obtains copper foil graphene/carbon nano-tube copper foil three-decker.Heat conduction film prepared by this method has 400W m‑1k‑1Thermal conductivity above, also, the preparation method technique is simple, simple operation, and reaction material is cheap, is easy to get, and can mass produce.
Description
Technical field
The invention belongs to nano material technology and field of radiating, more particularly, to a kind of copper foil-graphene/carbon nanometer
The preparation method of pipe or copper foil-graphene/carbon nano-tube-copper foil heat conduction film.
Background technology
With the fast development of science and technology, high-efficiency heat conduction and radiating turn into many field urgent problems to be solved.Such as
High power electronic equipment can produce substantial amounts of heat in the process of running.Highly integrated electronic device (such as CPU), its unit bodies
While the caloric value of product electronic device in the process of running increases rapidly, heat abruptly increase caused by system can be made.If can not
Heat is conducted in time, semiconductor devices premature aging is may result in or accelerates the thermomechanical damage of electronic component.Cause
This is in order to meet people to high power, and the demand of the electronic equipment of small size, there is an urgent need to develop a kind of light weight, heat conduction
The high material of rate.
In traditional metal thermal conductive material, gold and silver have an excellent heat conductivility, but to allow it to be difficult to extensive for its high price
Using.Metallic copper also has preferable radiating effect, but because it has density big, formability thereof poor, is also easy to be oxidized and reduce
The limitations such as performance, it is also difficult to meet the growing requirement for high heat sink material at present.In addition, in space industry, it is small
Size devices have high thermal conductivity and high-temperature capability necessary not only for Heat Conduction Material, also to have good thermomechanical property and
Less density.
Current many scientists, which recognize to produce using the special construction and performance of carbon material, meets above-mentioned requirements
Highly heat-conductive material.Graphite monocrystalline (002) crystal face theory thermal conductivity is up to 2100W m-1k-1More than.And carbon material have compared with
Low density, low thermal coefficient of expansion, excellent mechanical performance, are a kind of Heat Conduction Materials most with prospects in recent years, thus
Had broad application prospects in fields such as the energy, communication, electronics, computing technique, laser and space science.But general polycrystalline
The normal temperature thermal conductivity of graphite material is only 70~150W m-1k-1, far can not meet the needs of some special occasions.
Therefore, constructing a kind of Heat Conduction Material of the new structure of high-performance low-density urgently needs.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the present invention provide a kind of copper foil-graphene/carbon nano-tube or
The preparation method of copper foil-graphene/carbon nano-tube-copper foil heat conduction film.Two layers or three layers of heat conduction film prepared by this method
With 400W m-1k-1Thermal conductivity above, wherein by being improved to reaction raw materials, critical process step and structure, realize
The preparation of new two layers or three-decker heat conduction film.Also, the preparation method technique is simple, simple operation, reaction material
Inexpensively, it is easy to get, and can mass produces.
To achieve the above object, the present invention provides a kind of copper foil-graphene/carbon nano-tube or copper foil-graphene/carbon nanometer
The preparation method of pipe-copper foil heat conduction film, comprises the following steps：
(1) preparation of graphene/carbon nano-tube slurry：
A) will include the mixed solution progress hydrothermal reduction reaction of graphene oxide (GO) and CNT, then ball milling
Graphene/carbon nano-tube slurry is prepared；Or
B) after will peel off comprising the method for graphite and the solution mechanical stripping of dispersant, mix, prepare with CNT
Obtain graphene/carbon nano-tube slurry；
(2) preparation of heat conduction film：By the graphene/carbon nano-tube slurry prepared in step (1) coated on copper foil, obtain
To copper foil-graphene/carbon nano-tube double-decker；Optionally, it is compound on the graphene/carbon nano-tube layer of the double-decker
Another copper foil, obtain copper foil-graphene/carbon nano-tube-copper foil three-decker.
According to the present invention, step (1) a) in, the mass ratio of the CNT and graphene oxide is 0：1 to 10:1 it
Between.
According to the present invention, step (1) b) in, dispersant, for example, dodecane are also included in the solution comprising graphite
Base benzene sulfonic acid sodium salt, sodium stearyl sulfate, hexadecyltrimethylammonium chloride, polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl
At least one of sodium cellulosate and polyethylene glycol.
According to the present invention, step (1) a) in, the time of the ball milling is 1~10h, preferably 2~5h, more preferably 4h.
According to the present invention, step (1) a) in, the concentration of the graphene oxide is 0.01mg/ml-50mg/ml.
According to the present invention, step (1) a) in, the reaction temperature is 160 DEG C~200 DEG C, preferably 180 DEG C.
According to the present invention, step (1) a) in, the reaction time is 4~10h, preferably 5~8h, more preferably 6h,
8h。
According to the present invention, in step (2), the painting method includes spread coating, spraying process, knife coating, print process etc..
According to the present invention, in step (2), the compound another copper on the graphene/carbon nano-tube layer of the double-decker
Paper tinsel, the complex method are rolling depression method.
The present invention also provides a kind of bilayer or three layers of heat conduction film being prepared by the above method.
The present invention also provides a kind of copper foil-graphene/carbon nano-tube bilayer heat conduction film, including, copper foil and thereon
Graphene and nanotube mixed layer.
The present invention also provides a kind of copper foil-graphene/carbon nano-tube-copper foil heat conduction film, including two layers of copper foil, and two
The mixed layer of a layer graphene and CNT is provided between layer copper foil.
Technical scheme compared with prior art, has advantages below：
1. graphene and CNT are used in combination the present invention, then itself and copper foil are compounded to form into two layers or three-layered node
Structure.The copper foil-graphene/carbon nano-tube double-layer filmses, there is good heat-transfer capability, relatively low density and excellent machinery
Performance.And copper foil-graphene/carbon nano-tube-copper foil three-layer thin-film, further increase the heat conductivility of the film, two layers or
The thermal conductivity of three-layer thin-film can reach 400W m-1k-1More than.
2. the present invention prepares the composite mortar of high dispersive graphene and CNT using graphite or graphene oxide.
3. the present invention is received the graphene/carbon of preparation using coating methods such as spread coating, spraying process, knife coating and print processes
Mitron slurry is coated on copper foil, and uses rolling techniques, and another copper foil is compounded in into the graphene/carbon nano-tube slurry
On, technique is simple, is advantageous to two layers or the extensive preparation of three-decker heat conduction film.
Brief description of the drawings
Fig. 1 is copper foil-graphene/carbon nano-tube double-layer structure heat conduction membrane structure schematic diagram.
Fig. 2 is copper foil-graphene/carbon nano-tube-copper foil three-decker heat conduction membrane structure schematic diagram.
Fig. 3 is copper foil-graphene/carbon nano-tube-copper foil three-decker heat conduction finished film figure.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.Furthermore, it is to be understood that after content disclosed in this invention has been read, ability
Field technique personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the protection that the present invention is limited
Within the scope of.
Embodiment 1
The preparation of double-layer structure heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 40mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with knife coating
On the copper foil of degree, that is, double-layer structure heat conduction film is obtained, the thermal conductivity of resulting heat conduction film is 405W m-1k-1。
Embodiment 2
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 40mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with knife coating
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 423W m-1k-1。
Embodiment 3
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 160mg CNT ultrasonic mixings, it is put into 100mL
Autoclave in, react 8h at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL
Water, it is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with knife coating
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 448W m-1k-1。
Embodiment 4
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 5mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with knife coating
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 409W m-1k-1。
Embodiment 5
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 40mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with spread coating
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 420W m-1k-1。
Embodiment 6
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 40mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with print process
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 422W m-1k-1。
Embodiment 7
The preparation of three-decker heat conduction film：
(1) by 80mL graphene oxide water solution (1mg/mL) and 40mg CNT ultrasonic mixings, it is put into 100mL's
In autoclave, 8h is reacted at 180 DEG C；After cooling, deposit is centrifuged, supernatant is removed and then adds 8mL water,
It is finally putting into ball milling 4h in ball mill.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on 25 microns of thickness with spraying process
On the copper foil of degree, then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, it is thin to obtain three-decker heat conduction
Film, the thermal conductivity of resulting heat conduction film is 419W m-1k-1。
Embodiment 8
The preparation of three-decker heat conduction film：
(1) a certain amount of graphite, a certain amount of surface dispersant and a certain amount of water are by mechanically pulling off and prepare graphite
Alkene mass ratio is 1-15% graphene solution.100mg CNT ultrasonic mixings are added, obtain graphene/carbon nano-tube slurry
Material.
(2) the graphene/carbon nano-tube slurry being prepared in step (1) is coated uniformly on copper foil with knife coating,
Then another copper foil is rolled on graphene/carbon nano-tube slurry, that is, obtains three-decker heat conduction film, resulting heat conduction
The thermal conductivity of film is 426W m-1k-1。
More than, embodiments of the present invention are illustrated.But the present invention is not limited to above-mentioned embodiment.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. the preparation method of a kind of copper foil-graphene/carbon nano-tube or copper foil-graphene/carbon nano-tube-copper foil heat conduction film,
It is characterised in that it includes following steps：
(1) preparation of graphene/carbon nano-tube slurry：
A) will include the mixed solution progress hydrothermal reduction reaction of graphene oxide (GO) and CNT, and then prepared by ball milling
Obtain graphene/carbon nano-tube slurry；Or
B) after will peel off comprising the method for graphite and the solution mechanical stripping of dispersant, mix, be prepared with CNT
Graphene/carbon nano-tube slurry；
(2) preparation of heat conduction film：By the graphene/carbon nano-tube slurry prepared in step (1) coated on copper foil, copper is obtained
Paper tinsel-graphene/carbon nano-tube double-decker；
Optionally, the compound another copper foil on the graphene/carbon nano-tube layer of the double-decker, obtain copper foil-graphene/
Carbon nano tube-copper paper tinsel three-decker.
In 2. according to the method for claim 1, it is characterised in that step (1) a), the CNT and graphene oxide
Mass ratio be 0：1 to 10:Between 1.
3. method according to claim 1 or 2, it is characterised in that step (1) b) in, in the solution comprising graphite
Also include dispersant, for example, neopelex, sodium stearyl sulfate, hexadecyltrimethylammonium chloride, poly- second
At least one of enol, polyvinylpyrrolidone, sodium carboxymethylcellulose and polyethylene glycol.
4. according to the method described in claim any one of 1-3, it is characterised in that step (1) a) in, the time of the ball milling is
1~10h, preferably 2~5h, more preferably 4h.
5. according to the method described in claim any one of 1-4, it is characterised in that step (1) a) in, the graphene oxide
Concentration is 0.01mg/ml-50mg/ml；
Preferably, the reaction temperature is 160 DEG C~200 DEG C, preferably 180 DEG C；
Preferably, the reaction time is 4~10h, preferably 5~8h, more preferably 6h, 8h.
6. according to the method described in claim any one of 1-5, it is characterised in that in step (2), the painting method includes brush
Coating, spraying process, knife coating, print process etc..
7. according to the method described in claim any one of 1-6, it is characterised in that in step (2), in the stone of the double-decker
Compound another copper foil on black alkene/carbon nanotube layer, the complex method are rolling depression method.
8. the bilayer or three layers of heat conduction film that are prepared by any one of claim 1-7 methods described.
9. a kind of copper foil-graphene/carbon nano-tube bilayer heat conduction film, including copper foil, and in graphene and nanotube thereon
Mixed layer.
10. a kind of copper foil-graphene/carbon nano-tube-copper foil heat conduction film, including two layers of copper foil, and set between two layers of copper foil
It is equipped with the mixed layer of a layer graphene and CNT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710582990.8A CN107512041A (en) | 2017-07-17 | 2017-07-17 | A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710582990.8A CN107512041A (en) | 2017-07-17 | 2017-07-17 | A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107512041A true CN107512041A (en) | 2017-12-26 |
Family
ID=60722463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710582990.8A Pending CN107512041A (en) | 2017-07-17 | 2017-07-17 | A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107512041A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181654A (en) * | 2018-09-13 | 2019-01-11 | 江苏成康石墨烯科技有限公司 | A kind of graphene-based composite heat conduction film and preparation method thereof and its application |
| CN109721048A (en) * | 2019-01-22 | 2019-05-07 | 国网冀北电力有限公司秦皇岛供电公司 | A kind of preparation method of three-dimensional globular conductive graphene/carbon nano tube compound material |
| CN109968846A (en) * | 2019-04-30 | 2019-07-05 | 山东华滋自动化技术股份有限公司 | A kind of graphene coating process |
| CN110868768A (en) * | 2019-10-25 | 2020-03-06 | 中国航发北京航空材料研究院 | Metal fiber reinforced graphite composite membrane for preventing and removing ice, preparation method and structure |
| CN112064077A (en) * | 2020-09-21 | 2020-12-11 | 江西理工大学 | Preparation method of copper foil/carbon nanotube/copper foil composite foil |
| CN112693188A (en) * | 2020-12-28 | 2021-04-23 | 宋波 | Production process of high-thermal-conductivity nanocrystalline reinforced graphene composite film |
| CN115448691A (en) * | 2022-09-22 | 2022-12-09 | 东莞华贝电子科技有限公司 | Thermal conductive composite film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725263A (en) * | 2013-12-17 | 2014-04-16 | 张家港康得新光电材料有限公司 | Film made from graphene-carbon nanotube composite material and preparation method of film |
| CN105236392A (en) * | 2015-08-28 | 2016-01-13 | 中国人民解放军国防科学技术大学 | Carbon nano-tube/graphene composite thin film and preparation method of same |
| CN205601263U (en) * | 2015-12-24 | 2016-09-28 | 昆山市飞荣达电子材料有限公司 | Compound heat conduction shielding film of carbon nanotube - graphite alkene |
| CN106362929A (en) * | 2015-07-20 | 2017-02-01 | 北京中科云腾科技有限公司 | Grapheme-copper foil composite heat-conduction film and preparation method for same |
-
2017
- 2017-07-17 CN CN201710582990.8A patent/CN107512041A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725263A (en) * | 2013-12-17 | 2014-04-16 | 张家港康得新光电材料有限公司 | Film made from graphene-carbon nanotube composite material and preparation method of film |
| CN106362929A (en) * | 2015-07-20 | 2017-02-01 | 北京中科云腾科技有限公司 | Grapheme-copper foil composite heat-conduction film and preparation method for same |
| CN105236392A (en) * | 2015-08-28 | 2016-01-13 | 中国人民解放军国防科学技术大学 | Carbon nano-tube/graphene composite thin film and preparation method of same |
| CN205601263U (en) * | 2015-12-24 | 2016-09-28 | 昆山市飞荣达电子材料有限公司 | Compound heat conduction shielding film of carbon nanotube - graphite alkene |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181654A (en) * | 2018-09-13 | 2019-01-11 | 江苏成康石墨烯科技有限公司 | A kind of graphene-based composite heat conduction film and preparation method thereof and its application |
| CN109721048A (en) * | 2019-01-22 | 2019-05-07 | 国网冀北电力有限公司秦皇岛供电公司 | A kind of preparation method of three-dimensional globular conductive graphene/carbon nano tube compound material |
| CN109968846A (en) * | 2019-04-30 | 2019-07-05 | 山东华滋自动化技术股份有限公司 | A kind of graphene coating process |
| CN110868768A (en) * | 2019-10-25 | 2020-03-06 | 中国航发北京航空材料研究院 | Metal fiber reinforced graphite composite membrane for preventing and removing ice, preparation method and structure |
| CN110868768B (en) * | 2019-10-25 | 2022-02-11 | 中国航发北京航空材料研究院 | Preparation method of metal fiber reinforced graphite composite membrane for anti-icing |
| CN112064077A (en) * | 2020-09-21 | 2020-12-11 | 江西理工大学 | Preparation method of copper foil/carbon nanotube/copper foil composite foil |
| CN112064077B (en) * | 2020-09-21 | 2021-05-14 | 江西理工大学 | Preparation method of copper foil/carbon nanotube/copper foil composite foil |
| CN112693188A (en) * | 2020-12-28 | 2021-04-23 | 宋波 | Production process of high-thermal-conductivity nanocrystalline reinforced graphene composite film |
| CN115448691A (en) * | 2022-09-22 | 2022-12-09 | 东莞华贝电子科技有限公司 | Thermal conductive composite film and preparation method thereof |
| CN115448691B (en) * | 2022-09-22 | 2023-06-09 | 东莞华贝电子科技有限公司 | Thermal conductive composite film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107512041A (en) | A kind of preparation method of copper foil graphene/carbon nano-tube or copper foil graphene/carbon nano-tube copper foil heat conduction film | |
| CN107936777B (en) | Three-dimensional network porous heat conduction and dissipation device and preparation method thereof | |
| CN107686109B (en) | Preparation method of high-performance graphite-graphene double-layer carbon-based heat-conducting film | |
| CN203675528U (en) | Graphite film heat conduction radiating fin with wrinkle structure | |
| CN103094563B (en) | Graphene and MoS2 nano-composite with three-dimensional structure and preparation method and application | |
| CN104852022B (en) | A kind of lithium ion battery negative material and preparation method thereof | |
| CN108329495A (en) | Graphene with biomimetic features-Cellulose nanocrystal composite heat-conducting film and its preparation | |
| CN110387215B (en) | Graphene foam phase-change composite material with sparse thermal protection structure and preparation method thereof | |
| CN105923641B (en) | Preparation method of high-temperature and oxidation resisting heat conduction alumina/graphene foam composite material | |
| CN109181654B (en) | Graphene-based composite heat-conducting film and preparation method and application thereof | |
| CN104973590B (en) | Method of preparing high-heat-conductive and high-electric-conductive thin film through dispersion of high-quality graphite powder and graphene with graphene oxide | |
| CN106784853A (en) | Graphene coating aluminum foil current collector and preparation method thereof | |
| CN105514065A (en) | Heat-conducting glue/graphene composite multilayer heat-dissipating film and preparation method thereof | |
| CN110698903A (en) | Preparation method of three-dimensional graphene/carbon nanotube composite material for water-based electromagnetic shielding coating | |
| CN105776185A (en) | Preparation method of graphene paper with high thermal conductivity and electrical conductivity | |
| CN106882795A (en) | A kind of scale ultrasound stripping prepares the application of the method and Graphene of Graphene | |
| CN108714626A (en) | A kind of deep cooling asynchronous rolling method preparing noble metal nano-plate | |
| CN110255538A (en) | A kind of preparation method of graphene cooling fin | |
| CN206558492U (en) | Graphene high-efficiency heat conduction and heat radiation plate | |
| CN107758644A (en) | A kind of method that super-pressure thermal reduction prepares graphene film | |
| TWI754783B (en) | Aluminum matrix composite and mehtod thereof | |
| CN106313865A (en) | Copper-based composite substrate and copper-clad plate and preparation methods thereof | |
| CN106888548A (en) | A kind of aluminium-based copper-clad laminate and its painting method with graphene/carbon nano-tube composite radiating coating | |
| CN107313102B (en) | A kind of preparation method of aluminium base graphene, carbon nanotube composite heat dissipation material | |
| CN203866237U (en) | Novel soaking and radiating rubber belt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |